Keep the UFFD GC (aka CMC) disabled on S but enable it by default on T.

This mostly reverts commit f53cfb405ccdf4dedd4094a5ca3fee63424ba5ee,
except it changes the default enabled condition from U to T.

Test: atest art_standalone_odrefresh_tests
Test: atest odsign_e2e_tests odsign_e2e_tests_full
Bug: 251150519
Change-Id: I297e4ba42dcfd666d5b59335f2e67ab22f796224
7 files changed